Hook spanners

Exact spanner radius reduces the risk of nut damage

The HN series includes 15 different size hook spanners based on the DIN 1810 standard. The hook spanners are designed for use with SKF KM nuts as well as any other KM nuts conforming to the DIN 981 standard. Additionally, they are suitable for use with N, AN, KMK, KMFE and KMT as well as nuts manufactured according to the DIN 1804 standard.
  • Minimises the risk of shaft and nut damage
  • Plastic handle is oil, grease and dirt resistant to provide a better grip
  • The plastic handle minimises direct metal to skin contact, reducing the risk of corrosion in the handle area
  • Hole in the spanner's handle facilitates easy storage
  • Designation of spanner representing its size is laser-engraved allowing easy identification and selection
  • Technical data
    Technical data
    Designation
    Spanner design
    DIN 1810
    Outer diameter
    lock nut
     
    mm
    mm
    in.
    HN 0
     
    16–20
    0.6–0.8
    HN 1
    Ø20–Ø22
    20–22
    0.8–0.9
    HN 2-3
    Ø25–Ø28
    25–28
    1.0–1.1
    HN 4
    Ø30–Ø32
    30–32
    1.2–1.3
    HN 5-6
     
    38–45
    1.5–1.8
    HN 7
    Ø52–Ø55
    52–55
    2.0–2.2
    HN 8-9
     
    58–65
    2.3–2.6
    HN 10-11
    Ø68–Ø75
    68–75
    2.7–3.0
    HN 12-13
    Ø80–Ø90
    80–90
    3.1–3.5
    HN 14
     
    92
    3.6
    HN 15
    Ø95–Ø100
    95–100
    3.7–3.9
    HN 16
     
    105
    4.1
    HN 17
    Ø110–Ø115
    110–115
    4.3–4.5
    HN 18-20
    Ø120–Ø130
    120–130
    4.7–5.1
    HN 21-22
    Ø135–Ø145
    135–145
    5.3–5.7
  • Selection chart
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